Daikin 2MXS-W Series Service Manual page 94

Functions for Duct Concealed / Ceiling Cassette Type
If Float Switch is OFF with Thermostat OFF in Cooling Operation
 When the float switch stays OFF for 5 sec., the drain pump turns ON.
 If the float switch remains OFF even after the residual operation of the drain pump has ended,
 The drain pump turns OFF once residual operation has ended, then turns ON again after 5
If Float Switch Turns ON and OFF Continuously, or Float Switch Turns OFF While AF Displayed
OFF
Float Switch
ON
ON
Thermostat
(running)
OFF
ON
Error Display
OFF
ON
Drain Pump
OFF
 When the float switch stays OFF for 5 sec., the drain pump turns ON.
1. If the float switch continues to turn OFF and ON 5 times consecutively, it is judged as a
2. The drain pump continues to turn ON/OFF in accordance with the float switch ON/OFF
3. While the error code AF is displayed, if the float switch remains OFF even after the
88
Float switch
Thermostat
(running)
Error display
Drain pump
the error code A3 is determined.
seconds.
∗1
1st 4th
5 sec. 5 sec.
5 min. 5 min. 5 min.
5 sec.
drain system error and the error code AF is determined.
even after AF is determined.
residual operation of the drain pump has ended, the error code A3 will be determined.
OFF
ON
ON
OFF
ON
OFF
ON
OFF
5 sec. 5 min. 5 sec.
5th
5 sec.
AF
5 min. 5 min. 5 min.
5 sec. 5 sec.
A3
5 min. 5 sec. 5 min.
(R24611)
∗2
5 sec. 5 sec.
5 min. 5 min. 5 min.
5 sec.
Part 4 Functions and Control
SiUS122226E
∗3
A3
5 min.
5 sec. 5 sec.
(R24370)